Company lists · Data refreshed September 2026
Top 25 Digital advertising law firms worldwide
RevenueBase identified 5,659 digital advertising law firms worldwide as of September 2026 and tracks 47,226 professional contacts across them, including 14,329 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers digital advertising law firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for digital advertising law firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest digital advertising law firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,790 contacts → | ||||
Partial evidence “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,682 contacts → | ||||
Partial evidence “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 936 contacts → | ||||
Indirect evidence “When your most valuable assets are ideas, innovation, and brand-you need the best.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 606 contacts → | ||||
Indirect evidence “Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 576 contacts → | ||||
Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 518 contacts → | ||||
Indirect evidence “Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 496 contacts → | ||||
Partial evidence “Tombras is a 450+ person, full-service agency with a digital mindset.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 335 contacts → | ||||
Partial evidence “Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 327 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 283 contacts → | ||||
Indirect evidence “Lathrop Gage clients are the backbone of our economy.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 258 contacts → | ||||
Partial evidence “Irell & Manella LLP is a law firm focused on complex commercial and IP litigation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 247 contacts → | ||||
Indirect evidence “Davis+Gilbert helped guide the development of the marketing communications ecosystem over the past century.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 242 contacts → | ||||
Strong evidence “We are a digital advertising agency specializing in Performance, Branding, Creativity and Consulting of CRO, Analytics and Google Ads.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 230 contacts → | ||||
Indirect evidence “Com mais de 40 anos de história, a Perez de Rezende Advogados se posiciona como uma empresa dinâmica, eficiente e que preza pela qualidade em seus serviços, tendo conquistado o…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 213 contacts → | ||||
Indirect evidence “Founded by John F.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 183 contacts → | ||||
Partial evidence “Somos o parceiro estratégico em Direito Digital que transforma tendências em novas possibilidades, alavancando empresas em direção ao futuro e transformando realidades – das…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 180 contacts → | ||||
Partial evidence “Munck Wilson Mandala is a technology-focused law firm with offices in Dallas, Austin, Houston, Waco, Texas; Los Angeles, California; and South Florida.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 161 contacts → | ||||
Partial evidence “ICTRecht legal services specializes in Internet and IT law and intellectual property.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 160 contacts → | ||||
Indirect evidence “For almost 100 years, McGinnis Lochridge has served to protect the interests of our clients in continuously changing landscapes including cutting-edge technology, oil and gas…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 160 contacts → | ||||
Indirect evidence “BC Web Wise Pvt.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 157 contacts → | ||||
Partial evidence “Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 154 contacts → | ||||
Partial evidence “Rankings.io was founded with one mission: to help personal injury law firms dominate their markets through performance-driven marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 148 contacts → | ||||
Indirect evidence “Martindale-Avvo comprises the online legal brands Martindale-Hubbell, Martindale-Nolo, Ngage, Captorra, and Avvo, and connects attorneys with millions of prospective clients every…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 148 contacts → | ||||
Partial evidence “Located in the heart of downtown Nashville, cj Advertising is a full-service ad agency that exclusively serves personal injury brands.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 143 contacts → | ||||
Indirect evidence “Consumer Attorney Marketing Group (CAMG) is a full service Marketing Agency made up of experts in Direct Response Marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: digital advertising law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names digital advertising law firms.
- Partial evidence
- Its own public description names part of digital advertising law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name digital advertising law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 5,659 digital advertising law firms worldwide
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Digital advertising law firms worldwide at a glance
As of Sep 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among digital advertising law firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for digital advertising law firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “digital advertising law firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names digital advertising law firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among digital advertising law firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 14,329 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Digital advertising law firms by location
40 lists · largest firstEvery Digital advertising law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Digital advertising law firms based in the United States1,273
- Digital advertising law firms based in Brazil671
- Digital advertising law firms based in India316
- Digital advertising law firms based in Germany279
- Digital advertising law firms based in France233
- Digital advertising law firms based in Spain197
- Digital advertising law firms based in the United Kingdom150
- Digital advertising law firms based in Türkiye130
- Digital advertising law firms based in Italy108
- Digital advertising law firms based in Mexico100
- Digital advertising law firms based in Poland96
- Digital advertising law firms based in Canada95
- Digital advertising law firms based in Australia90
- Digital advertising law firms based in the Netherlands78
- Digital advertising law firms based in Colombia54
- Digital advertising law firms based in Israel50
- Digital advertising law firms based in Argentina35
- Digital advertising law firms based in Peru35
- Digital advertising law firms based in Chile30
- Digital advertising law firms based in South Africa30
- Digital advertising law firms based in Switzerland28
- Digital advertising law firms based in Austria26
- Digital advertising law firms based in Belgium25
Cities
- Digital advertising law firms based in Sao Paulo, Brazil194
- Digital advertising law firms based in Paris, France136
- Digital advertising law firms based in New York, United States87
- Digital advertising law firms based in London, United Kingdom68
- Digital advertising law firms based in Madrid, Spain66
- Digital advertising law firms based in Washington, United States55
- Digital advertising law firms based in Los Angeles, United States48
- Digital advertising law firms based in Berlin, Germany47
- Digital advertising law firms based in Chicago, United States42
- Digital advertising law firms based in Toronto, Canada37
- Digital advertising law firms based in New Delhi, India36
- Digital advertising law firms based in Rio De Janeiro, Brazil34
- Digital advertising law firms based in Barcelona, Spain28
- Digital advertising law firms based in Hamburg, Germany27
- Digital advertising law firms based in Sydney, Australia26
- Digital advertising law firms based in Austin, United States25
- Digital advertising law firms based in Houston, United States25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names digital advertising law firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many digital advertising law firms are there worldwide?
RevenueBase identified 5,659 digital advertising law firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Venable LLP, headquartered in Washington, tops this list with the largest team on record.
Which country has the most digital advertising law firms?
The United States leads with 1,273 companies, followed by Brazil (671) and India (316). Every digital advertising law firms list by country and city is linked on this page.
Which city has the most digital advertising law firms?
Sao Paulo leads with 194 headquartered companies, followed by Paris (136) and New York (87).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 14,329 verified decision-maker contacts tracked across these 5,659 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.